Question: What is the material used in most of the Young's modulus?
Paraphrase: What is the fabric utilized in most of the Young's modulus?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q214609 . ?ent wdt:P5480 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: glass, glass